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  <title>Copy a function to a new function name</title>
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  <div id="layout-content"><div id="function.runkit-function-copy" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">runkit_function_copy</h1>
  <p class="verinfo">(PECL runkit &gt;= 0.7.0)</p><p class="refpurpose"><span class="refname">runkit_function_copy</span> &mdash; <span class="dc-title">
   Copy a function to a new function name
  </span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.runkit-function-copy-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>runkit_function_copy</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$funcname</code></span>
   , <span class="methodparam"><span class="type">string</span> <code class="parameter">$targetname</code></span>
   ) : <span class="type">bool</span></div>

 </div>


 <div class="refsect1 parameters" id="refsect1-function.runkit-function-copy-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">funcname</code></dt>

     <dd>

      <p class="para">
       Name of existing function
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">targetname</code></dt>

     <dd>

      <p class="para">
       Name of new function to copy definition to
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.runkit-function-copy-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.runkit-function-copy-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-550">
    <p><strong>Example #1 A <span class="function"><strong>runkit_function_copy()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">function&nbsp;</span><span style="color: #0000BB">original</span><span style="color: #007700">()&nbsp;{<br />&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"In&nbsp;a&nbsp;function\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">runkit_function_copy</span><span style="color: #007700">(</span><span style="color: #DD0000">'original'</span><span style="color: #007700">,</span><span style="color: #DD0000">'duplicate'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">original</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">duplicate</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
In a function
In a function
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.runkit-function-copy-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="runkit_function_add.html" class="function" rel="rdfs-seeAlso">runkit_function_add()</a> - Add a new function, similar to create_function</span></li>
    <li class="member"><span class="function"><a href="runkit_function_redefine.html" class="function" rel="rdfs-seeAlso">runkit_function_redefine()</a> - Replace a function definition with a new implementation</span></li>
    <li class="member"><span class="function"><a href="runkit_function_rename.html" class="function" rel="rdfs-seeAlso">runkit_function_rename()</a> - Change a function's name</span></li>
    <li class="member"><span class="function"><a href="runkit_function_remove.html" class="function" rel="rdfs-seeAlso">runkit_function_remove()</a> - Remove a function definition</span></li>
   </ul>
  </p>
 </div>


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